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Study on Static Characteristics of Aerostatic Bearing Based on Porous SiC Ceramic Membranes

open access: yesMembranes, 2022
The porous aerostatic bearing is a new supporting structure that is widely used in precision and ultraprecision engineering and the aerospace and other fields. The aerostatic bearing has a good bearing capacity and static stiffness.
Xin Xiao   +6 more
doaj   +3 more sources

Preparation of CNT/PEEK porous composites via NaCl leaching and FDM for bearing cage applications [PDF]

open access: yesScientific Reports
Porous composites can store and release lubricants via their unique pore structures, enabling continuous lubrication for self-lubricating bearing cages.
Baorun Yang   +4 more
doaj   +2 more sources

Rational Design and Porosity of Porous Alumina Ceramic Membrane for Air Bearing

open access: yesMembranes, 2021
Air bearing has been widely applied in ultra-precision machine tools, aerospace and other fields. The restrictor of the porous material is the key component in air bearings, but its performance is limited by the machining accuracy.
Jianzhou Du   +7 more
doaj   +3 more sources

Structure design and performance analysis of aerostatic thrust bearing with compound restrictors [PDF]

open access: yesMATEC Web of Conferences, 2022
Aerostatic thrust bearing compensated by multi-orifices and porous material restrictor simultaneously is proposed to improve the static performance of the bearing.
Li Yuntang   +4 more
doaj   +1 more source

Effect of hydromagnetic squeeze film between non-porous rough triangular plates [PDF]

open access: yesSongklanakarin Journal of Science and Technology (SJST), 2022
The current investigation analyse the impact of hydromagnetic squeeze film between non-porous rough triangular plates. The bearing surface are viewed transversely rough. The Christensen and Tonder model is embraced for transverse roughness.
Pragnesh L. Thakkar, H. C. Patel
doaj   +1 more source

Research on dynamic characteristics and structural optimization of porous gas bearings in linear compressors

open access: yesScientific Reports, 2023
In order to study the influence of structural parameters of porous gas bearing and operating parameters of linear compressor on the static and dynamic performance of porous gas bearing, based on gas lubrication theory, Darcy's law and Reynolds equation ...
Jiangang Li   +4 more
doaj   +1 more source

Parameter Sensitivity Analysis on Dynamic Coefficients of Partial Arc Annular-Thrust Aerostatic Porous Journal Bearings

open access: yesApplied Sciences, 2021
Aerostatic bearings are widely used in high-precision devices. Partial arc annular-thrust aerostatic porous journal bearings are a prominent type of aerostatic bearings, which carry both radial and axial loads and provide high load-carrying capacity, low
Pyung Hwang, Polina Khan, Seok-Won Kang
doaj   +1 more source

Static and Dynamic Characteristics of Rough Porous Rayleigh Step Bearing Lubricated with Couple Stress Fluid

open access: yesLubricants, 2022
In tribology, the Rayleigh step bearing has the maximum load capacity of any feasible bearing geometry. Traditional tribology resources have demonstrated that the Rayleigh step has an ideal geometry which maximizes load capacity.
Neminath Naduvinamani, Ashwini Angadi
doaj   +1 more source

Study on Mechanical Failure and PermeabilityCharacteristicsof Porous Gas-Bearing Coal under Triaxial Stress

open access: yesShock and Vibration, 2020
To explore the mechanical failure and permeability characteristics of porous gas-bearing coal under triaxial stress, the triaxial compression experiment was carried out for porous and conventional gas-bearing coal samples based on the triaxial creep ...
Xue-bo Zhang   +5 more
doaj   +1 more source

Increase of wear resistance of tribocontact with low-melting metal and porous coating [PDF]

open access: yesE3S Web of Conferences, 2023
The paper is devoted to one of the most important problems of increasing wear resistance of tribosystems due to the application of low-melting metal and porous coatings on tribocontact surfaces. The asymptotic and self-similar solution for zero and first
Lagunova Elena   +4 more
doaj   +1 more source

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